Numbers 4:6

6Then they shall put on it a covering of goatskin
The meaning of the Hebrew word is uncertain; compare Exodus 25:5
and spread on top of that a cloth all of blue, and shall put in its bpoles.

Numbers 4:12

12And they shall take all cthe vessels of the service that are used in the sanctuary and put them in a cloth of blue and cover them with a covering of goatskin and put them on the carrying frame.
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